dridex | 752cc527d4c57db8e25158c476c2cc059c688d68b869428f1c5fce651e47a4b2

Analysis

Target
dc807318479956ed27d73bd9d631a36c.dll
Size 512KB
Sample211220-rraqtaaha7
SHA256 752cc527d4c57db8e25158c476c2cc059c688d68b869428f1c5fce651e47a4b2
MD5 dc807318479956ed27d73bd9d631a36c
SHA1 494397ec06a85ae4bafe72b50895fc55822453af
SHA512 88d89c5a4f0f4768ba495a305ab1bf9939edd0c076fdb5aa270516c5c66f9a95e331d873360da4410111832ce67b9001dd5d2e5a515cf7b3b1eff2570b8e01b2
MD5 SHA1 SHA512

Score

10^/10

Family

Botnet

rc4.plain

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

resource	yara_rule
behavioral1/memory/1588-56-0x0000000074BF0000-0x0000000074C71000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
520	1588	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
520	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	520	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 1588	844	rundll32.exe	27
PID 844 wrote to memory of 1588	844	rundll32.exe	27
PID 844 wrote to memory of 1588	844	rundll32.exe	27
PID 844 wrote to memory of 1588	844	rundll32.exe	27
PID 844 wrote to memory of 1588	844	rundll32.exe	27
PID 844 wrote to memory of 1588	844	rundll32.exe	27
PID 844 wrote to memory of 1588	844	rundll32.exe	27
PID 1588 wrote to memory of 520	1588	rundll32.exe	28
PID 1588 wrote to memory of 520	1588	rundll32.exe	28
PID 1588 wrote to memory of 520	1588	rundll32.exe	28
PID 1588 wrote to memory of 520	1588	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc807318479956ed27d73bd9d631a36c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:844
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc807318479956ed27d73bd9d631a36c.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1588
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1588 -s 300
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:520

memory/520-60-0x0000000000230000-0x0000000000290000-memory.dmp

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memory/1588-55-0x0000000076151000-0x0000000076153000-memory.dmp

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memory/1588-56-0x0000000074BF0000-0x0000000074C71000-memory.dmp

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memory/1588-59-0x00000000001B0000-0x00000000001B6000-memory.dmp

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